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An equilateral prism is placed on a hori...

An equilateral prism is placed on a horizontal surface. A ray PQ is incident onto it. For minimum deviation `

A

`PQ`is horizontal

B

`QR` is horizontal

C

`RS` is horizontal

D

Either`PQ`or`RS`is horizontal

Text Solution

Verified by Experts

The correct Answer is:
B
For minimum deviation `QR` will be parallel to base.
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